Suppose you are the receptionist in the company and your partner is a visitor. Please use the following Office Directory to show your visitor around the company. A: Good afternoon. Welcome you to our Company. B: Good afternoon. Thank you for your reception. A: I am Maria Smith- the receptionist. B: I am Thomas Brown from Stone Company. A: I am glad to show you around our company. This is our office building. There are 1 floors. We are on the first floor. 2 , 3 and 4 Department are on this floor. Where do you want to visit first? B: How about Research and Development Department? A: No problem. It's on the 5 floor. Please follow me.